23420501120 has 32 divisors (see below), whose sum is σ = 55989637020. Its totient is φ = 9368200192.

The previous prime is 23420501077. The next prime is 23420501149. The reversal of 23420501120 is 2110502432.

It can be written as a sum of positive squares in 2 ways, for example, as 23184325696 + 236175424 = 152264^2 + 15368^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23420501092 and 23420501101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18296627 + ... + 18297906.

Almost surely, 2^23420501120 is an apocalyptic number.

23420501120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420501120 is an abundant number, since it is smaller than the sum of its proper divisors (32569135900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23420501120 is an equidigital number, since it uses as much as digits as its factorization.

23420501120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36594552 (or 36594540 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 23420501120 in words is "twenty-three billion, four hundred twenty million, five hundred one thousand, one hundred twenty".